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f5bc1778 | 1 | /* Temporary library support for decimal floating point. |
168a2f77 | 2 | Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc. |
f5bc1778 DJ |
3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU General Public License as published by | |
168a2f77 | 8 | the Free Software Foundation; either version 3, or (at your option) |
f5bc1778 DJ |
9 | any later version. |
10 | ||
f5bc1778 DJ |
11 | GCC is distributed in the hope that it will be useful, but WITHOUT |
12 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
13 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
14 | License for more details. | |
15 | ||
168a2f77 DD |
16 | Under Section 7 of GPL version 3, you are granted additional |
17 | permissions described in the GCC Runtime Library Exception, version | |
18 | 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | You should have received a copy of the GNU General Public License and | |
21 | a copy of the GCC Runtime Library Exception along with this program; | |
22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | <http://www.gnu.org/licenses/>. */ | |
f5bc1778 DJ |
24 | |
25 | #include <fenv.h> | |
5f5dfcbe | 26 | #include "dconfig.h" |
f5bc1778 DJ |
27 | #include "decContext.h" |
28 | #include "decExcept.h" | |
29 | ||
30 | /* Internal, non-documented functions for testing libgcc functions. | |
31 | This support is not sufficient for real use. */ | |
32 | ||
33 | static int __dfp_except_flags = 0; | |
34 | ||
35 | /* Clear the dummy exception flags. */ | |
36 | void | |
37 | __dfp_clear_except (void) | |
38 | { | |
39 | __dfp_except_flags = 0; | |
40 | } | |
41 | ||
42 | /* Return the dummy exception flags corresponding to the mask. */ | |
43 | int | |
44 | __dfp_test_except (int mask) | |
45 | { | |
46 | return __dfp_except_flags & mask; | |
47 | } | |
48 | ||
49 | /* Set dummy exception flags. */ | |
50 | void | |
51 | __dfp_raise_except (int flags) | |
52 | { | |
53 | __dfp_except_flags |= flags; | |
54 | } |